OpenMCU-ru can be installed on FreePBX 12 and earlier distributions but breaks with FreePBX13. During SIP/SDP negotiations, the SIP "contact"information changes from OpenMCU-ru's eth0:0 IP address to FreePBX's eth0 IP address even though both services are bound (binded) to their respective IPs. Wireshark capture of 192.168.202.11 Linphone attempting to connect to OpenMCU-ru 192.168.204.254 (eth0:0) conference room 1001 but the contact info changes to FreePBX 192.168.204.253 (eth0):
Don't know if this is due to PJSIP or what?